Ussingite
Ussingiet, Ussingit, Ussingita, Уссингит
Commonly known
rarer (so called collectors stones)
very rare (rarities)
extremely rare (world rarities)
relatively rare organic material
relatively rare organic material
|
Formula: Na2AlSi3O8(OH)
Mineral class: Silicates Crystal system: triclinic Mohs scale: 6 - 7 Density (g/cm3): 2.48 - 2.50 Refractive index: 1.504 - 1.545 Cleavage: perfect Colors: rose, blue-violet, red-violet Luster: vitreous - greasy Fluorescence: - Pleochroism: - Largest Ussingite crystal: 1 cm? Deposits: Kangerdluarssuk / West Greenland Taseq / Ilímaussaq Complex / Narsaq / Kitaa Prov. / South Greenland Lovozero Mts. and Khibiny Mts. / Kola Peninsula / Russia Mont Saint-Hilaire / Quebec / Canada Discovery: 1914 1st Description: 1915 Name: in honor of the Danish mineralogist Niels Viggo Ussing (1864 - 1911) |
|
Ussingite Mineral
Origin: Umbozero Mine / Mt. Alluaiv / Lovozero Massif / Kola Peninsula / Murmanskaja Oblast / Russia Photo by kind permission of © www.montanpark.de |
 |
|
Ussingite
Weight: 1.48 ct Origin: Umbozero Mine / Mt. Alluaiv / Lovozero Massif / Kola Peninsula / Murmanskaja Oblast / Russia Photo by kind permission of © www.irocks.com |
 |
|
Ussingite
Weight: 0.39 ct Origin: Umbozero Mine / Mt. Alluaiv / Lovozero Massif / Kola Peninsula / Murmanskaja Oblast / Russia Photo by kind permission of © www.irocks.com |
 |
|
Ussingite
Size: 0.45 x 0.45 cm Weight: 0.21 ct Origin: Russia Photo by kind permission of © www.irocks.com |
 |
|
Ussingite
Weight: 1.50 ct Origin: Taseq / Ilímaussaq Complex / Narsaq / Kujalleq Municipality / Greenland Photo by kind permission of © www.steveperrygems.com |
 |
|
Ussingite
Size: 0.86 cm Weight: 1.32 ct Origin: Taseq / Ilímaussaq Complex / Narsaq / Kujalleq Municipality / Greenland Photo by kind permission of © Darlene Cobler |
 |
⇐ Intro Page ⇐ Gemstones